Home / 103,630.10-155,483.55-41,345.30

Finding the Fourth Proportional to 103,630.10, 155,483.55 and 41,345.30

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Solution

The fourth proportional to 103,630.10, 155,483.55 and 41,345.30 is: 62,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.10 : 155,483.55 = 41,345.30 : x
  2. Step 2: Convert to fraction form
    103,630.10/155,483.55 = 41,345.30/x
  3. Step 3: Cross multiply
    103,630.10x = 155,483.55 × 41,345.30
  4. Step 4: Simplify right side
    103,630.10x = 6,428,514,019.82
  5. Step 5: Solve for x
    x = 6,428,514,019.82/103,630.10
  6. Step 6: Final answer
    x = 62,033.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.